Answer:
a. -1
b. 8
c. 3
Step-by-step explanation:
a.
6-7
(factor out the negative sign)
-(7-6)
(calculate)
-1
(your answer)
b.
6-(-2)
(remove the parentheses)
6+2
(calculate)
8
(your answer)
c.
6-3=3
Answer:
It is an isosceles triangle so the 6 is not correct. We can use the Pythagorean Theorem and 64 does not equal 36+16.
Step-by-step explanation: